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2148942 = 23358157
BaseRepresentation
bin1000001100101001001110
311001011210110
420030221032
51022231232
6114020450
724160065
oct10145116
94034713
102148942
111238594
12877726
135a3183
143dd1dc
152c6acc
hex20ca4e

2148942 has 8 divisors (see below), whose sum is σ = 4297896. Its totient is φ = 716312.

The previous prime is 2148907. The next prime is 2148947. The reversal of 2148942 is 2498412.

It is a sphenic number, since it is the product of 3 distinct primes.

2148942 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179073 + ... + 179084.

It is an arithmetic number, because the mean of its divisors is an integer number (537237).

22148942 is an apocalyptic number.

2148942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2148942 is a wasteful number, since it uses less digits than its factorization.

2148942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358162.

The product of its digits is 4608, while the sum is 30.

The square root of 2148942 is about 1465.9270104613. The cubic root of 2148942 is about 129.0451137205.

The spelling of 2148942 in words is "two million, one hundred forty-eight thousand, nine hundred forty-two".

Divisors: 1 2 3 6 358157 716314 1074471 2148942